并联电容器可以提高功率因数，可能引起（     ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id < 4421103 and id<>'4421103' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id > 4421103 and id<>'4421103' order by id asc limit 5